Senior Network Security Engineer

Crypto.com•Chicago, IL
•$130,000 - $150,000•Hybrid

About The Position

Crypto.com is seeking a Senior Network Security Engineer to join their team. This role involves acting as a Level 3 escalation point for complex network and security issues in both on-premise data centers and AWS environments. The engineer will be responsible for maintaining multi-vendor security and perimeter solutions, managing core network infrastructure services, developing architecture documentation, and bridging the gap between infrastructure and DevOps through Infrastructure as Code (IaC). The position also involves integrating AI and network task automation, and providing support during non-office hours when necessary.

Requirements

  • Relevant education in Computer Science, Information Systems, or a related technical discipline, or equivalent practical experience.
  • Hands-on experience operating and troubleshooting production networks across on-premises data centers and AWS environments.
  • Experience with firewall configuration, routing, switching, network security, and incident response.
  • Working knowledge of relevant networking protocols, including BGP, OSPF, IPsec, HSRP, and QoS.
  • Experience with hybrid-cloud networking, including AWS VPC networking and AWS Direct Connect.
  • Ability to work independently, prioritize incidents effectively, and communicate clearly during operational issues.

Nice To Haves

  • Experience with one or more of the following security and edge technologies: FortiGate, Cisco ASA, Akamai WAF, or anti-DDoS solutions.
  • Experience with one or more of the following infrastructure technologies: Arista switches, Cisco routers, F5 LTM/GTM, or Infoblox DNS/DHCP.
  • CCNP, CCIE, AWS Certified Advanced Networking, CISSP, or equivalent practical experience.
  • Experience with Infrastructure as Code and network automation.
  • Experience with security-orchestration or workflow-automation tools such as Tines, n8n, or Dify.
  • Experience executing or supporting live data-center-to-AWS migration cutovers.

Responsibilities

  • Serve as the primary Level 3 escalation point for resolving complex network infrastructure, routing, and security configuration issues across both on-premise Data Centers and AWS environments.
  • Responsible for the configuration, maintenance, and optimization of FortiGate Firewalls (On-Prem & AWS), Cisco ASA Firewalls, and Akamai WAF / Anti-DDoS solutions protecting core endpoints.
  • Identify and resolve network issues, bottlenecks, and vulnerabilities across Arista core/access switches, Cisco routers, F5 Load Balancers (LTM/GTM), and Infoblox (DNS/DHCP).
  • Develop and maintain comprehensive documentation on network topology, hybrid cloud designs, system security configurations, and operational SOPs.
  • Bridge the gap between development and operations by embracing "Infrastructure as Code" (IaC) in close collaboration with DevOps teams to automate network deployments and security workflows.
  • Research and leverage automation/AI tools (e.g., Tines, n8n, Dify) for Security Orchestration or network task automation to improve operational efficiency.
  • Provide non-office hour escalation support whenever needed during major live cutovers or critical network emergencies.

Benefits

  • Competitive salary
  • Attractive annual leave entitlement including: birthday, work anniversary
  • 401(k) plan with employer match
  • Eligible for company-sponsored group health, dental, vision, and life/disability insurance
  • Flexi-work hour and hybrid set-up
  • Internal mobility program
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